'Permanent bone loss': Calgary study finds astronauts suffer on return to Earth

FILE - Canadian astronaut Robert Thirsk talks with students from Rockcliffe Elementary School as they get a first look at The Living In Space exhibit during its unveiling at the Canadian Aviation and Space Museum in Ottawa on Thursday, May 12, 2011. (THE CANADIAN PRESS/Sean Kilpatrick) FILE - Canadian astronaut Robert Thirsk talks with students from Rockcliffe Elementary School as they get a first look at The Living In Space exhibit during its unveiling at the Canadian Aviation and Space Museum in Ottawa on Thursday, May 12, 2011. (THE CANADIAN PRESS/Sean Kilpatrick)

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Elon Musk jokingly says he is buying Manchester United

Having seen eight coaches come and go in less than 10 years, Manchester United fans know their false dawns. Wednesday shed a different light on strife at the giant football club: Elon Musk said he was buying it -- and then said it was all a joke.

Quebec Cardinal Marc Ouellet accused of sexual assault in class-action lawsuit

Quebec Cardinal Marc Ouellet, once considered a front-runner to become pope, has been accused of sexual assault and is among a list of clergy members and diocesan staff named in a class-action lawsuit against the archdiocese of Quebec. A woman identified as 'F.' in court documents tabled on Tuesday accused Ouellet of several incidents of unwanted touching.